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Staging: epl: don't check for devfs
devfs is long dead and burried, don't check for it, as it doesn't make any sense to do so. Cc: Daniel Krueger <daniel.krueger@systec-electronic.com> Cc: Ronald Sieber <Ronald.Sieber@systec-electronic.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -89,11 +89,6 @@
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#include <asm/uaccess.h>
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#include <linux/vmalloc.h>
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#ifdef CONFIG_DEVFS_FS
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#include <linux/major.h>
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#include <linux/devfs_fs_kernel.h>
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#endif
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#include "Epl.h"
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#include "EplApiLinux.h"
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//#include "kernel/EplPdokCal.h"
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@ -147,19 +142,10 @@ void TgtDbgSignalTracePoint(u8 bTracePointNumber_p);
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// Global variables
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//---------------------------------------------------------------------------
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#ifdef CONFIG_DEVFS_FS
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// driver major number
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static int nDrvMajorNumber_g;
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#else
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// device number (major and minor)
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static dev_t nDevNum_g;
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static struct cdev *pEpl_cdev_g;
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#endif
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static volatile unsigned int uiEplState_g = EPL_STATE_NOTOPEN;
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static struct semaphore SemaphoreCbEvent_g; // semaphore for EplLinCbEvent
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@ -245,9 +231,6 @@ static int __init EplLinInit(void)
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tEplKernel EplRet;
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int iErr;
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int iRet;
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#ifdef CONFIG_DEVFS_FS
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int nMinorNumber;
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#endif
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TRACE0("EPL: + EplLinInit...\n");
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TRACE2("EPL: Driver build: %s / %s\n", __DATE__, __TIME__);
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@ -261,44 +244,6 @@ static int __init EplLinInit(void)
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init_waitqueue_head(&WaitQueueProcess_g);
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init_waitqueue_head(&WaitQueueRelease_g);
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#ifdef CONFIG_DEVFS_FS
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// register character device handler
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TRACE2("EPL: Installing Driver '%s', Version %s...\n",
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EPLLIN_DRV_NAME, EPL_PRODUCT_VERSION);
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TRACE0("EPL: (using dynamic major number assignment)\n");
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nDrvMajorNumber_g =
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register_chrdev(0, EPLLIN_DRV_NAME, &EplLinFileOps_g);
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if (nDrvMajorNumber_g != 0) {
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TRACE2
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("EPL: Driver '%s' installed successful, assigned MajorNumber=%d\n",
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EPLLIN_DRV_NAME, nDrvMajorNumber_g);
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} else {
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TRACE1
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("EPL: ERROR: Driver '%s' is unable to get a free MajorNumber!\n",
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EPLLIN_DRV_NAME);
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iRet = -EIO;
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goto Exit;
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}
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// create device node in DEVFS
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nMinorNumber = 0;
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TRACE1("EPL: Creating device node '/dev/%s'...\n", EPLLIN_DEV_NAME);
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iErr =
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devfs_mk_cdev(MKDEV(nDrvMajorNumber_g, nMinorNumber),
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S_IFCHR | S_IRUGO | S_IWUGO, EPLLIN_DEV_NAME);
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if (iErr == 0) {
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TRACE1("EPL: Device node '/dev/%s' created successful.\n",
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EPLLIN_DEV_NAME);
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} else {
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TRACE1("EPL: ERROR: unable to create device node '/dev/%s'\n",
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EPLLIN_DEV_NAME);
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iRet = -EIO;
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goto Exit;
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}
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#else
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// register character device handler
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// only one Minor required
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TRACE2("EPL: Installing Driver '%s', Version %s...\n",
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@ -327,7 +272,6 @@ static int __init EplLinInit(void)
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iRet = -EIO;
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goto Exit;
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}
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#endif
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// create device node in PROCFS
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EplRet = EplLinProcInit();
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@ -363,25 +307,12 @@ static void __exit EplLinExit(void)
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TRACE0("EPL: + EplLinExit...\n");
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#ifdef CONFIG_DEVFS_FS
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// remove device node from DEVFS
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devfs_remove(EPLLIN_DEV_NAME);
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TRACE1("EPL: Device node '/dev/%s' removed.\n", EPLLIN_DEV_NAME);
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// unregister character device handler
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unregister_chrdev(nDrvMajorNumber_g, EPLLIN_DRV_NAME);
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#else
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// remove cdev structure
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cdev_del(pEpl_cdev_g);
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// unregister character device handler
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unregister_chrdev_region(nDevNum_g, 1);
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#endif
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TRACE1("EPL: Driver '%s' removed.\n", EPLLIN_DRV_NAME);
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TRACE0("EPL: - EplLinExit\n");
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